{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89656",
    "entityType": "User",
    "nonce": "0x22843d2c8f75592cbb790b266682c47226bbc140c707354536794dabdd1e6089",
    "signature": "0x7052e357a46efe0afa233d29a0c929cb7e50743ab2fd469160a77ac08b87f4316219a58a947c5f15cf961587133d831e16bc3bf571294debf3790e7f3a7d02881c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}